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2275702921 = 22710025123
BaseRepresentation
bin1000011110100100…
…0111100010001001
312212121010200112101
42013221013202021
514130034443141
61013452113401
7110252104252
oct20751074211
95777120471
102275702921
11a68636318
12536165861
132a3618b9b
14178345b29
15d4bc2531
hex87a47889

2275702921 has 4 divisors (see below), whose sum is σ = 2285728272. Its totient is φ = 2265677572.

The previous prime is 2275702883. The next prime is 2275702931. The reversal of 2275702921 is 1292075722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2275702921 - 215 = 2275670153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2275702931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5012335 + ... + 5012788.

It is an arithmetic number, because the mean of its divisors is an integer number (571432068).

Almost surely, 22275702921 is an apocalyptic number.

It is an amenable number.

2275702921 is a deficient number, since it is larger than the sum of its proper divisors (10025351).

2275702921 is a wasteful number, since it uses less digits than its factorization.

2275702921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025350.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 2275702921 is about 47704.3281160106. The cubic root of 2275702921 is about 1315.3414990122.

The spelling of 2275702921 in words is "two billion, two hundred seventy-five million, seven hundred two thousand, nine hundred twenty-one".

Divisors: 1 227 10025123 2275702921